Text Display Size Adjustment with Audio Fallback
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Solution Overview
Problem
Electronic devices struggle to effectively display text for users with reduced eyesight or disabilities, as default display attributes may not be sufficient for clear content consumption, and existing accessibility modes may not adequately address the need for larger text sizes beyond a maximum threshold.
Innovation Solution
An electronic device can increase the display size of text upon user instruction, identifying the beginning of the text and displaying it in a larger size, even if the instruction is given near the end of the text, and enable an audio-based mode when the text size exceeds a maximum level, allowing users to interact with the interface more effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the display size of text is increased to assist users with reduced eyesight, then the readability and distinguishability of content is improved, but the amount of text that can be displayed within the available display area decreases
Solution Approach 1:
The patent transitions from a two-dimensional display interface to a three-dimensional spatial model by introducing a virtual camera that moves through 3D space. Text is rendered as three-dimensional objects with depth, allowing the camera to position itself at optimal viewing distances and angles, thereby maintaining readability while preserving more text within the display area through spatial arrangement.
Solution Approach 2:
The patent implements dynamic adjustment of text display characteristics based on camera position, focus distance, and user interaction. The virtual camera can move dynamically through the 3D space, and text objects can be focused on or blurred based on their distance from the camera, allowing flexible optimization of readability versus information density in real-time.
2Ease of operation
If a zoomed interface is provided to enlarge all content, then the distinguishability of content is improved, but the user must scroll or pan to view all available content
Solution Approach 1:
The patent employs focus transition as a dynamic mechanism similar to vibration in that it creates rhythmic alternation between focused and blurred states. By selectively focusing on different text objects as the virtual camera moves through 3D space, the system guides user attention through content in a temporal sequence, reducing the time needed to process information compared to manual scrolling.
Solution Approach 2:
The virtual camera acts as an intermediary between the user and the text content. Instead of the user directly scrolling through two-dimensional text, the camera moves through 3D space and selectively focuses on text objects, mediating the interaction and automatically managing the viewing sequence to reduce user effort and time.
3Adaptability or versatility
If the text size is increased beyond a maximum threshold, then the accessibility for users with visual impairments is improved, but the display can no longer show the complete text
Solution Approach 1:
The patent implements a nested structure where multiple levels of text information exist within a hierarchical 3D space. The virtual camera can navigate through different focal planes and depths, allowing users to access detailed text information at various nesting levels. This enables complete text display through progressive exploration rather than requiring all text to be visible simultaneously at one size.
Solution Approach 2:
The patent changes multiple parameters simultaneously - not just text size but also camera position, focus distance, depth of field, and spatial arrangement. By adjusting these parameters dynamically, the system can optimize accessibility for users with visual impairments while maintaining the ability to display complete text through coordinated parameter changes rather than relying solely on text size enlargement.
Data Source
AI summary
This is directed to adjusting the size of displayed text in response to receiving user instructions. An electronic device can display text or other content using one or more default sizes. A user can direct the device to increase a display size of text by providing a corresponding input. In response to receiving the instruction, the electronic device can increase the display size of the text and display the beginning of the text (e.g., the beginning of a sentence), even though an input may be detected in a region near the end of the text. In some cases, when the user instructs the device to increase the display size of text beyond a maximum level, the electronic device can provide an audio output corresponding to the text instead of or in addition to increasing the display size of the text.